:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #eff6ff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-light: #f3f4f6;
  --bg-alt: #f2f4f7;
  --footer: #111827;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Segoe UI', sans-serif;
  color: var(--text);
  background-color: #eaf1fb;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='280'%20height='210'%3E%3Ctext%20x='12'%20y='140'%20font-family='Arial,sans-serif'%20font-size='96'%20font-weight='800'%20fill='%232563eb'%20fill-opacity='0.045'%3EBIT%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 300;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-right: 16px;
  flex-shrink: 0;
}

.logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
  padding: 2px;
}

.logo-text .name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.logo-text .slogan {
  font-size: 12px;
  color: var(--text-muted);
}

.nav { display: flex; }

.nav-item { position: relative; }

.nav-item > a {
  display: block;
  padding: 0 22px;
  line-height: 64px;
  font-size: 15px;
  color: #111827;
  transition: color .2s;
}

.nav-item:hover > a { color: var(--primary); }

.nav-item.active > a {
  color: var(--primary);
  position: relative;
}

.nav-item.active > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.dropdown {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  min-width: 180px;
  z-index: 100;
}

.dropdown-wide {
  width: 520px;
  padding: 22px;
  flex-direction: row;
  gap: 22px;
}

.nav-item:last-child .dropdown-wide { left: auto; right: 0; }

.nav-item:hover .dropdown { display: block; }
.nav-item:hover .dropdown-wide { display: flex; }

.dropdown-menu {
  width: 170px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding-right: 22px;
  display: flex;
  flex-direction: column;
}

.dropdown-menu a {
  display: block;
  padding: 11px 0;
  font-size: 14px;
  color: #374151;
  border-bottom: none;
  transition: all .2s;
}

.dropdown-menu a:hover {
  color: var(--primary);
  background: none;
}

.dropdown-promo {
  flex: 1;
  min-width: 0;
}

.dropdown-promo img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--bg-light);
}

.dropdown-promo h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 14px 0 8px;
  color: var(--text);
}

.dropdown-promo p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 下拉分组布局（solutions：产品 + 行业 双组，等宽列 + 等效内容区） */
.dropdown-menu--grouped {
  width: 260px;
  flex-direction: row;
  position: relative;
  border-right: none;   /* 覆盖 .dropdown-menu 默认右边框 */
  padding-right: 0;     /* 覆盖 .dropdown-menu 默认右内边距 */
}
.dropdown-menu--grouped::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.dd-col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0 12px;
  box-sizing: border-box;
}
.dd-col:first-child { padding-left: 0; }
.dd-col:last-child { padding-right: 0; }
.dd-group-title {
  font-size: 12px;
  color: #9ca3af;
  letter-spacing: 6px;
  text-indent: 6px;
  text-align: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

.header-search { display: flex; gap: 6px; flex-shrink: 0; }

.header-search input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  width: 160px;
}

.header-search button {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.header-search button:hover { background: var(--primary-dark); }

.nav-toggle {
  display: none;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 380px; /* 常规 banner 高度，不随图片比例撑高 */
  background: #0b2a5b;
  color: #fff;
  overflow: hidden;
}

/* 底层：同图模糊放大铺满，填补完整显示时出现的留白 */
.hero-bg-blur {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(18px) brightness(.95);
  transform: scale(1.15);
}

/* 上层：图片按比例完整显示，不裁切不拉伸 */
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* 横幅变体（如 products.html 顶部）：图直接 cover 全屏铺满，高度盖满当前浏览器视口，不留白不模糊兜底 */
.hero--banner { min-height: 100vh; }
.hero--banner .hero-bg { object-fit: cover; }
.hero--banner .hero-overlay { background: linear-gradient(90deg, rgba(37, 99, 235, .82) 0%, rgba(37, 99, 235, .55) 50%, rgba(37, 99, 235, .15) 100%); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(37, 99, 235, .88) 0%, rgba(37, 99, 235, .55) 45%, rgba(37, 99, 235, .06) 100%);
}

.hero-inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
}

.hero-text { max-width: 760px; padding: 40px 0; }

/* ——【方案 A】hero chip 角标 + 标题左侧装饰竖条 —— */
.hero-text > .hero-chip {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 22px;
  font-size: 12px;
  letter-spacing: 4px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 999px;
  text-transform: uppercase;
  opacity: 0;
}
.hero-text.in-view > .hero-chip { animation: heroIn .7s cubic-bezier(.22,.61,.36,1) forwards; animation-delay: 0s; }

.hero-text h1 {
  font-size: 46px;
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.3;
  position: relative;
  padding-left: 18px;
}
.hero-text h1::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, #93c5fd 0%, #2563eb 60%, #1e40af 100%);
  box-shadow: 0 0 12px rgba(96, 165, 250, .55);
}

.hero-text p {
  font-size: 18px;
  opacity: .95;
  margin-bottom: 26px;
  max-width: 760px;
  word-break: keep-all;       /* 中文按语义断行，避免单字换行 */
  line-height: 1.75;
}
.hero-text p .nowrap { white-space: nowrap; }   /* 关键短语内联不可断（如"带 ↗ 标记"中的 ↗+前后空格） */

.btn {
  display: inline-block;
  padding: 11px 28px;
  background: #fff;
  color: var(--primary);
  border-radius: 8px;
  font-weight: 600;
  transition: all .2s;
}

.btn:hover { background: var(--primary-light); }

/* ---------- Section ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark {
  background: linear-gradient(135deg, #0b1d3a 0%, #15306e 50%, #1e40af 100%);
  color: #e5e7eb;
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.section-dark .section-title { color: #ffffff; }
.section-dark .section-more { color: #93c5fd; }
.section-dark .section-more:hover { color: #ffffff; }

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 28px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

/* ---------- Product cards ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}

/* 内页产品网格与下方板块保持间距，首页不受影响 */
.page-content .product-grid { margin-bottom: 32px; }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: border-color .2s, transform .2s;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* 卡片作链接用：重置 a 默认色/下划线，保留 .card 的 hover 行为 */
.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.card-img { height: 150px; background: var(--bg-light); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 16px; }

.tag {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.card-body h3 { font-size: 16px; margin-bottom: 8px; font-weight: 600; }
.card-body p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ---------- News list ---------- */
.news-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid #f3f4f6;
  gap: 20px;
}

.news-list li:last-child { border-bottom: none; }
.news-list a,
.news-list .news-plain {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  color: #374151;
  transition: color .2s;
}
.news-list a { text-decoration: none; }
.news-list a:hover { color: var(--primary); }
.news-list a[target="_blank"]::after {
  content: '↗';
  display: inline-block;
  margin-left: 5px;
  font-size: 12px;
  color: #9ca3af;
}
.news-list a[target="_blank"]:hover::after { color: var(--primary); }
.news-list .source { font-size: 12px; color: #9ca3af; white-space: nowrap; }
.news-list .date { font-size: 13px; color: #9ca3af; white-space: nowrap; }
.news-list .source-ref {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  font-size: 11px;
  line-height: 1.6;
  color: #2563eb;
  background: #eef4ff;
  border-radius: 10px;
  white-space: nowrap;
}
.news-list .news-empty { justify-content: center; color: #9ca3af; font-size: 14px; }

/* ---------- Inner page layout ---------- */
.page-layout {
  display: flex;
  gap: 36px;
  padding: 40px 0 64px;
  align-items: flex-start;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 12px 0;
  position: sticky;
  top: 96px;
  align-self: flex-start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.sidebar a {
  display: block;
  padding: 14px 24px;
  font-size: 16px;
  color: #111827;
  transition: all .2s;
}

.sidebar a:hover,
.sidebar a.active {
  color: var(--primary);
}

.sidebar a.active { font-weight: 600; }

.page-content { flex: 1; min-width: 0; }

.page-content { flex: 1; min-width: 0; }
.page-content h2 { font-size: 24px; font-weight: 600; margin-bottom: 20px; }
.page-content h3 { font-size: 20px; font-weight: 600; margin: 0 0 14px; }
.page-content p { font-size: 14px; color: #4b5563; line-height: 1.9; margin-bottom: 14px; }
.page-content ul { padding-left: 20px; color: #4b5563; font-size: 14px; line-height: 1.9; margin-bottom: 14px; }

.content-img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

/* ---------- Section header: 标题 + 右侧「查看更多」 ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.section-head .section-title { margin-bottom: 0; }

.section-more {
  font-size: 14px;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}

.section-more:hover { color: var(--primary-dark); }

/* ---------- Product carousel ---------- */
.carousel {
  position: relative;
  overflow: hidden;
  background: transparent;
  border: none;
  border-radius: 0;
}

.carousel-track {
  display: flex;
  transition: transform .5s ease;
}

.carousel-slide {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 36px 40px;
}

.carousel-media {
  flex: 0 0 46%;
  height: 260px;
  background: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: 0 6px 20px rgba(15, 23, 42, .06);
}

.carousel-media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.carousel-info { flex: 1; min-width: 0; }
.carousel-info .tag { margin-bottom: 12px; }
.carousel-info h3 { font-size: 22px; margin-bottom: 12px; }
.carousel-info p { font-size: 14px; color: #4b5563; line-height: 1.8; margin-bottom: 20px; }

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  margin-top: -22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--border);
  color: #374151;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s, border-color .2s;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 0 0 24px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: #d1d5db;
  cursor: pointer;
  transition: width .25s, background .25s;
}

.carousel-dot.active {
  width: 24px;
  background: var(--primary);
}

/* ---------- About page redesign ----------（.about-hero / .page-hero 已删除，全站统一 hero--banner，见第七~十二轮） */

/* 概况数据条：单图背景 + 数字直排（对齐 culture-hero 风格，无卡片框） */
.stats-strip {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  height: 200px;
  margin-bottom: 32px;
  isolation: isolate;
  box-shadow: 0 18px 44px -22px rgba(15,23,42,.28);
}

.stats-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.stats-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(15,23,42,.62) 0%, rgba(15,23,42,.42) 55%, rgba(15,23,42,.26) 100%);
}

.stats-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  text-align: center;
}

.stat-item {
  padding: 0 12px;
  text-align: center;
}

.stat-item + .stat-item { border-left: 1px solid rgba(255,255,255,.25); }

.stat-number {
  font-size: 34px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,.78); letter-spacing: .08em; }

@media (max-width: 880px){
  .stats-strip { height: auto; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 30px 0; padding: 30px 0; }
  .stat-item:nth-child(3) { border-left: none; }
  .stat-number { font-size: 28px; }
}
@media (max-width: 520px){
  .stats-inner { grid-template-columns: 1fr; gap: 24px 0; padding: 26px 0; }
  .stat-item + .stat-item { border-left: none; }
}

.section-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}

.section-card h3 {
  font-size: 22px;
  margin-bottom: 8px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

/* ---------- 产品类型列表（点击进入详细机型） ---------- */
.type-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin: 0 0 28px;
}

.type-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.type-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.type-card .type-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.type-card .type-count {
  font-size: 13px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

/* ---------- 按品类分组的机型列表 ---------- */
.model-groups {
  margin-bottom: 32px;
}

.model-group {
  margin-bottom: 28px;
  scroll-margin-top: 96px; /* 锚点跳转时避开顶部固定 header */
}

.model-group-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 3px solid var(--primary);
}

/* 栏目定位说明：一句话告诉读者这个栏目放什么内容 */
.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 18px;
  padding-left: 16px;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 22px;
}

.icon-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  background: #fff;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.icon-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.10);
}

.icon-card .icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
}
.icon-card .icon svg { width: 38px; height: 38px; display: block; }

.icon-card h4 { font-size: 16px; margin-bottom: 10px; color: var(--text); }
.icon-card p { font-size: 13px; color: #6b7280; line-height: 1.7; }

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.timeline-item { position: relative; margin-bottom: 22px; }

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--primary);
}

.timeline-year {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.timeline-text { font-size: 14px; color: #4b5563; line-height: 1.7; }

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
}

.partner-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  background: #fff;
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-size: 18px;
  font-weight: 600;
}

/* ---------- 办公环境（about 页 #office）---------- */
.office-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.office-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #f3f4f6;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .06);
}
.office-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s cubic-bezier(.22, .61, .36, 1);
}
.office-card:hover img { transform: scale(1.06); }
.office-card-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 14px 10px;
  background: linear-gradient(0deg, rgba(11, 42, 91, .78) 0%, rgba(11, 42, 91, 0) 100%);
  color: #fff;
  font-size: 14px;
  letter-spacing: 1px;
}
@media (max-width: 768px) {
  .office-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
  .office-grid { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */
.contact-container {
  max-width: 1160px;
  margin: 0 auto;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-lead {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact-cards-wrap { margin-top: 40px; }

.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 112px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.contact-card > div:last-child {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, .08);
}

.contact-card-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.contact-card-link .contact-card-value { color: var(--primary); }

.contact-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-card-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-card-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.contact-card-value a { color: var(--text); transition: color .2s; }
.contact-card-value a:hover { color: var(--primary); }

.contact-form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-form-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-form-card > p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.contact-map-section { margin-top: 48px; }
.contact-map-section h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

.map-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-light);
}

.map-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.map-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(17, 24, 39, .78);
  color: #fff;
  padding: 18px 24px;
  backdrop-filter: blur(4px);
}

.map-overlay strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.map-overlay span {
  font-size: 13px;
  opacity: .9;
}

/* ---------- 联系我们 CTA 图文区（置于地图下方） ---------- */
.cta-section {
  position: relative;
  padding: 120px 0 90px;
  margin-top: -44px;
  overflow: hidden;
  background: linear-gradient(180deg, #eaf1fb 0%, #eff6ff 10%, #ffffff 55%, #f3f4f6 100%);
  border-radius: 44px 44px 0 0;
  box-shadow: 0 -12px 40px rgba(37,99,235,0.05);
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, rgba(37,99,235,0) 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: ctaFloat 9s ease-in-out infinite;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(30,64,175,0.08) 0%, rgba(30,64,175,0) 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: ctaFloat 11s ease-in-out infinite reverse;
}

.cta-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.cta-content { max-width: 520px; }

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cta-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.cta-title {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}
.cta-title .accent {
  position: relative;
  display: inline-block;
  color: var(--primary);
}
.cta-title .accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 10px;
  background: linear-gradient(90deg, rgba(37,99,235,0.22), rgba(37,99,235,0.05));
  border-radius: 4px;
  z-index: -1;
}

.cta-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 34px;
}

.cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 34px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50px;
  box-shadow: 0 10px 28px rgba(37,99,235,0.32);
  transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .25s ease;
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(37,99,235,0.38);
}
.cta-btn:hover::before { opacity: 1; }
.cta-btn svg {
  width: 18px;
  height: 18px;
  transition: transform .25s ease;
}
.cta-btn:hover svg { transform: translateX(4px); }

.cta-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.cta-media-frame {
  position: relative;
  width: 100%;
  max-width: 460px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(17,24,39,0.16);
  background: #fff;
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform .35s ease;
}
.cta-media:hover .cta-media-frame {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}
.cta-media-frame img {
  width: 100%;
  height: auto;
  display: block;
}
.cta-media::before {
  content: '';
  position: absolute;
  top: 30px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 3px solid var(--primary);
  border-radius: 20px;
  opacity: .18;
  z-index: -1;
}
.cta-media::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: -24px;
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  opacity: .08;
  z-index: -1;
}

@media (max-width: 860px) {
  .cta-wrap {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .cta-content { max-width: 100%; text-align: center; }
  .cta-eyebrow { justify-content: center; }
  .cta-title { font-size: 28px; }
  .cta-media { order: -1; }
  .cta-media-frame {
    max-width: 320px;
    transform: none;
  }
}

/* ---------- 滚动入场动画（滑入视口才触发，可重复播放） ---------- */
.reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity .7s cubic-bezier(.16,.84,.44,1),
              transform .7s cubic-bezier(.16,.84,.44,1);
  transition-delay: calc(var(--i, 0) * 120ms);
  will-change: opacity, transform;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.contact-cards .contact-card:nth-child(1) { --i: 0; }
.contact-cards .contact-card:nth-child(2) { --i: 1; }
.contact-cards .contact-card:nth-child(3) { --i: 2; }
.contact-cards .contact-card:nth-child(4) { --i: 3; }
.cta-content > .reveal:nth-child(1) { --i: 0; }
.cta-content > .reveal:nth-child(2) { --i: 1; }
.cta-content > .reveal:nth-child(3) { --i: 2; }
.cta-content > .reveal:nth-child(4) { --i: 3; }

.cta-media.reveal {
  opacity: 0;
  transform: translateY(46px) scale(.95);
  transition: opacity .85s cubic-bezier(.16,.84,.44,1),
              transform .85s cubic-bezier(.16,.84,.44,1);
}
.cta-media.reveal.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes ctaFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(26px); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .cta-media.reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .cta-section::before, .cta-section::after { animation: none !important; }
}

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
}

.form-row input:focus,
.form-row textarea:focus { outline: none; border-color: var(--primary); }

.form-row textarea { resize: vertical; min-height: 110px; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 11px 30px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: inline-block;
}

.btn-primary:hover { background: var(--primary-dark); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 16px;
  transition: color .2s;
}

.back-link:hover { color: var(--primary); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  border: none;
  transition: opacity .3s, visibility .3s, background .3s;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .25);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover { background: var(--primary-dark); }

/* ---------- 分享二维码 ---------- */
.share-fab {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 60;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--primary);
  box-shadow: 0 6px 18px rgba(17, 24, 39, .12);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, box-shadow .15s ease;
}
.share-fab:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(17, 24, 39, .18); }
.share-fab svg { width: 22px; height: 22px; }

.share-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(17, 24, 39, .45);
}
.share-modal.show { display: flex; }
.share-card {
  position: relative;
  width: 280px;
  max-width: 90vw;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px 22px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(17, 24, 39, .25);
}
.share-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
}
.share-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 14px; }
.share-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 0 auto 12px;
  width: max-content;
}
.share-qr img, .share-qr canvas { display: block; }
.share-url {
  font-size: 12px;
  color: var(--text-muted);
  word-break: break-all;
  margin-bottom: 14px;
  max-height: 48px;
  overflow: auto;
}
.share-copy {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: background .15s ease;
}
.share-copy:hover { background: var(--primary-dark); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--footer);
  color: #9ca3af;
  padding: 30px 0;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-inner p { margin-bottom: 6px; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .nav, .header-search { display: none; }
  .nav-toggle { display: block; }

  .site-header { position: static; }
  .site-header .container { position: relative; }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--border);
    z-index: 200;
    max-height: 80vh;
    overflow-y: auto;
  }

  .nav.open .nav-item > a {
    line-height: 52px;
    padding: 0 20px;
    border-bottom: 1px solid #f9fafb;
  }

  .nav.open .dropdown {
    position: static;
    display: none;
    border: none;
    border-top: none;
    min-width: 100%;
  }

  .nav.open .dropdown-wide {
    width: 100%;
    flex-direction: column;
    padding: 0;
    gap: 0;
  }

  .nav.open .nav-item.open .dropdown { display: block; }

  .nav.open .dropdown-promo { display: none; }

  .nav.open .dropdown-menu {
    width: 100%;
    border-right: none;
    padding-right: 0;
  }

  .nav.open .dropdown-menu a {
    padding: 0 20px 0 36px;
    line-height: 44px;
    border-bottom: 1px solid #f9fafb;
  }

  .nav.open .dropdown-menu--grouped { flex-direction: column; width: auto; }
  .nav.open .dropdown-menu--grouped::before { display: none; }
  .nav.open .dd-col { flex: 1 1 auto; padding: 0; }
  .nav.open .dd-col + .dd-col { border-left: none; margin-left: 0; padding-left: 0; margin-top: 6px; }
  .nav.open .dd-group-title {
    text-align: left;
    letter-spacing: 3px;
    text-indent: 0;
    padding: 8px 20px 4px 36px;
    border-bottom: none;
    margin-bottom: 0;
    background: #f9fafb;
  }

  .hero { height: 300px; }
  .hero-bg { object-position: center; }
  .hero-overlay {
    background: linear-gradient(90deg, rgba(37, 99, 235, .94) 0%, rgba(37, 99, 235, .86) 100%);
  }
  .hero-text { max-width: 100%; padding: 40px 0; text-align: center; }
  .hero-text h1 { font-size: 32px; }

  .page-layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    position: static;
    max-height: none;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
  }

  /* .about-hero / .page-hero 响应式样式已删除（白卡结构不再使用，2026-09-04 清理） */

  .section-head { margin-bottom: 20px; }

  .type-list { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
  .type-card { padding: 14px 16px; }
  .model-group { scroll-margin-top: 80px; }

  .carousel-slide {
    flex-direction: column;
    padding: 28px 24px;
    gap: 24px;
  }
  .carousel-media {
    flex: 1;
    width: 100%;
    height: 200px;
  }
  .carousel-info { text-align: center; }
  .carousel-prev { left: 8px; }
  .carousel-next { right: 8px; }

  .contact-layout { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .map-card img { height: 240px; }
  .map-overlay { padding: 14px 18px; }
}

@media (max-width: 560px) {
  .contact-cards { grid-template-columns: 1fr; }
}

/* ============================================================
   首页动效（Hero 方案 B + 核心优势 方案 E）
   仅作用于首页：#iconGrid 专属锁定，不影响 products/about 等页面
   ============================================================ */

/* —— Hero：标题→副标题→按钮 阶梯淡入上移（依赖 .in-view，进入视口才播；完全离开视口复位，再次进入重播） —— */
@keyframes heroIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-text > * { opacity: 0; }
.hero-text.in-view > * { animation: heroIn .7s cubic-bezier(.22,.61,.36,1) forwards; }
.hero-text.in-view > h1   { animation-delay: .05s; }
.hero-text.in-view > p    { animation-delay: .20s; }
.hero-text.in-view > .btn { animation-delay: .40s; }
.hero-text { transition: transform .25s ease-out; will-change: transform; }

/* —— 通用滚动揭示：元素进入视口（加 .in-view）即淡入上移，用于首页下方区块（热销/新闻等） —— */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.in-view { opacity: 1; transform: none; }

/* —— 核心优势：滚动进入视口才依次跳出（方案 E） —— */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
#iconGrid .icon-card { opacity: 0; }
#iconGrid.is-visible .icon-card { animation: cardIn .6s cubic-bezier(.22,.61,.36,1) forwards; }
#iconGrid.is-visible .icon-card:nth-child(1) { animation-delay: 0s; }
#iconGrid.is-visible .icon-card:nth-child(2) { animation-delay: .12s; }
#iconGrid.is-visible .icon-card:nth-child(3) { animation-delay: .24s; }
#iconGrid.is-visible .icon-card:nth-child(4) { animation-delay: .36s; }

/* 图标与标题的过渡（hover 双动） */
#iconGrid .icon-card .icon { transition: box-shadow .25s ease, transform .25s ease; }
#iconGrid .icon-card .icon svg { transition: transform .5s cubic-bezier(.22,.61,.36,1); }
#iconGrid .icon-card:hover .icon { transform: scale(1.08); box-shadow: 0 12px 28px rgba(37,99,235,.45); }
#iconGrid .icon-card:hover .icon svg { transform: rotate(-12deg) scale(1.08); }
#iconGrid .icon-card:hover h4 { color: var(--primary); }

/* —— 发展历程（about 页面）：滚到时间线区域时，每条记录从上往下依次滑入，
   中间的竖向连接线也从顶部往下展开 —— */
@keyframes timelineIn {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes timelineLine {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
.timeline .timeline-item { opacity: 0; }
.timeline::before {
  /* 改用 scaleY 而非 background 渐变做"线从上往下展开"，top:8px → bottom:8px 不变，
     锚定 transform-origin: top，scaleY 0→1 即从上往下抽出。 */
  transform-origin: top center;
  transform: scaleY(0);
}
.timeline.is-visible::before {
  animation: timelineLine .9s cubic-bezier(.22,.61,.36,1) forwards;
}
.timeline.is-visible .timeline-item { animation: timelineIn .55s cubic-bezier(.22,.61,.36,1) forwards; }
.timeline.is-visible .timeline-item:nth-child(1) { animation-delay: 0s; }
.timeline.is-visible .timeline-item:nth-child(2) { animation-delay: .12s; }
.timeline.is-visible .timeline-item:nth-child(3) { animation-delay: .24s; }
.timeline.is-visible .timeline-item:nth-child(4) { animation-delay: .36s; }
.timeline.is-visible .timeline-item:nth-child(5) { animation-delay: .48s; }
.timeline.is-visible .timeline-item:nth-child(6) { animation-delay: .60s; }
.timeline.is-visible .timeline-item:nth-child(7) { animation-delay: .72s; }

/* —— 无障碍：系统开启「减少动效」时全部降级为静态 —— */
@media (prefers-reduced-motion: reduce) {
  .hero-text > * { animation: none !important; opacity: 1 !important; }
  .hero-text { transition: none !important; will-change: auto; }
  #iconGrid .icon-card { opacity: 1 !important; }
  #iconGrid.is-visible .icon-card { animation: none !important; }
  #iconGrid .icon-card .icon svg,
  #iconGrid .icon-card:hover .icon svg { transform: none !important; }
  .timeline .timeline-item { opacity: 1 !important; animation: none !important; }
  .timeline::before { transform: none !important; animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-text > * { animation: none !important; opacity: 1 !important; }
  .hero-text { transition: none !important; will-change: auto; }
  #iconGrid .icon-card { opacity: 1 !important; }
  #iconGrid.is-visible .icon-card { animation: none !important; }
  #iconGrid .icon-card .icon svg,
  #iconGrid .icon-card:hover .icon svg { transform: none !important; }
}

/* ============================================================
   v8 标题组件（eyebrow + 衬线大字 + 横线分隔 + 右侧链接）
   仅追加，不影响既有 .section-title / .page-content h3 规则
   背景透明：标题直接嵌入所在容器（白卡 / 浅蓝 body）现有背景
   ============================================================ */
:root {
  --font-serif: 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', '宋体', serif;
}

/* 标题块：eyebrow 行 + 大字行 */
.v8t { margin-bottom: 26px; }
.v8t:last-child { margin-bottom: 0; }

/* eyebrow：短横线 + 英文宽字距 + 斜杠 + 中文 */
.v8t-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.v8t-eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background: var(--text, #111827);
  flex: 0 0 auto;
}
.v8t-eyebrow span.en {
  font-family: var(--font-serif), serif;
  font-size: 12px;
  font-weight: 500;
  color: #8a8a8a;
  letter-spacing: .22em;
  text-transform: uppercase;
  line-height: 1;
}
.v8t-eyebrow .sep {
  font-family: var(--font-serif), serif;
  font-weight: 300;
  color: #c0c0c0;
  font-size: 13px;
  line-height: 1;
}
.v8t-eyebrow span.cn {
  font-family: var(--font-serif), serif;
  font-size: 12px;
  font-weight: 500;
  color: #8a8a8a;
  letter-spacing: .14em;
  line-height: 1;
}

/* 大字行：左标题 + 弹性横线 + 右侧链接 */
.v8t-row {
  display: flex;
  align-items: center;
  gap: 22px;
}
.v8t .v8t-title {
  flex: 0 0 auto;
  font-family: var(--font-serif), serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text, #111827);
  letter-spacing: .01em;
  margin: 0;
}
.v8t .v8t-title::before,
.v8t .v8t-title::after { display: none; }
.v8t-line {
  flex: 1;
  min-width: 40px;
  height: 1px;
  background: var(--border, #e5e7eb);
}
.v8t-more {
  flex: 0 0 auto;
  font-family: var(--font-sans, 'Microsoft YaHei'), sans-serif;
  font-size: 14px;
  color: #4a6a8a;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s;
}
.v8t-more:hover { color: #2563eb; }

/* 中号（内页 .section-card 使用） */
.v8t.v8t--card .v8t-title { font-size: 32px; }
.v8t.v8t--card .v8t-eyebrow { margin-bottom: 10px; }

/* 小号（并列子区块标题：about 其余 6 个 / 场景卡片内标题） */
.v8t.v8t--inline .v8t-title { font-size: 24px; }
.v8t.v8t--inline .v8t-eyebrow { margin-bottom: 8px; }
.v8t.v8t--inline .v8t-eyebrow::before { width: 18px; }

/* 无横线链接时右侧留空 */
.v8t--plain .v8t-line { display: none; }
.v8t--plain .v8t-row { gap: 0; }

/* 与 reveal 入场动画共存：入场元素自身不要因 .reveal 隐藏 */
.v8t.reveal { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .v8t .v8t-title { font-size: 30px; }
  .v8t.v8t--card .v8t-title { font-size: 28px; }
  .v8t.v8t--inline .v8t-title { font-size: 22px; }
}

/* 覆盖既有容器内标题规则的蓝条/外边距/内边距；font-size 由 .v8t .v8t-title (0,2,0) 自身提供，不在覆盖块里重设以免回退为 inherit */
.section-card .v8t .v8t-title,
.page-content .v8t .v8t-title,
.page-layout .v8t .v8t-title,
.contact-map-section .v8t .v8t-title,
.contact-cards .v8t .v8t-title,
.solutions-list .v8t .v8t-title,
.sol-content .v8t .v8t-title,
.section .v8t .v8t-title {
  border-left: 0;
  padding-left: 0;
  margin: 0;
}
.section-card > .v8t:first-child { margin-top: 0; }

/* 大号（页面主区块标题：about 企业概况等） */
.v8t.v8t--lg .v8t-title { font-size: 40px; }
@media (max-width: 640px) { .v8t.v8t--lg .v8t-title { font-size: 32px; } }

/* ============================================================
   v8 新闻列表：左标题（可折行）+ 右日期 + 来源/角标第二行分布
   纯 CSS 覆盖，不动 news.js 生成的 DOM 顺序
   ============================================================ */
.news-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 28px;
  row-gap: 6px;
  align-items: baseline;
  padding: 18px 0;
}
.news-list a,
.news-list .news-plain {
  grid-column: 1;
  grid-row: 1;
  font-size: 16px;
  font-weight: 500;
  color: #1a1a1a;
  line-height: 1.6;
}
.news-list .date {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  font-size: 13px;
  color: #9ca3af;
  white-space: nowrap;
  padding-top: 2px;
}
.news-list .source {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
  font-size: 12px;
  color: #9ca3af;
  margin-left: 0;
}
.news-list .source-ref {
  grid-column: 2;
  grid-row: 2;
  justify-self: end;
  font-size: 11px;
  line-height: 1.6;
  color: #2563eb;
  background: #eef4ff;
  border-radius: 10px;
  padding: 1px 8px;
  margin-left: 0;
}
.news-list .news-empty {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 24px 0;
}
@media (max-width: 640px) {
  .news-list li { grid-template-columns: minmax(0, 1fr); row-gap: 4px; }
  .news-list .date { grid-column: 1; grid-row: auto; justify-self: start; }
  .news-list .source-ref { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 2px; }
}

/* ===== 页脚备案信息：ICP 备案号 + 公安备案号 ===== */
.footer-icp {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 12px;
}
.footer-icp p { margin-bottom: 0; }
.footer-icp a { color: #9ca3af; text-decoration: none; }
.footer-icp a:hover { color: #d1d5db; text-decoration: underline; }
.footer-icp .icp-sep { margin: 0 8px; opacity: 0.45; }

/* ===== 留言表单：隐私声明同意项 ===== */
.form-consent { margin-bottom: 18px; }
.form-consent .consent-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  cursor: pointer;
}
.form-consent input[type="checkbox"] {
  width: auto;
  height: auto;
  margin: 3px 0 0;
  flex-shrink: 0;
  cursor: pointer;
}
.form-consent a { color: var(--primary); text-decoration: underline; }
.form-consent.has-error .consent-label { color: #dc2626; }

/* ===== 隐私声明正文 ===== */
.privacy-doc { margin-top: 8px; font-size: 14px; line-height: 1.9; color: #374151; }
.privacy-doc h3 { font-size: 15px; font-weight: 600; color: #0f172a; margin: 28px 0 10px; }
.privacy-doc p { margin: 0 0 12px; }
.privacy-doc ul { margin: 0 0 14px; padding-left: 22px; }
.privacy-doc li { margin-bottom: 6px; }
.privacy-doc strong { font-weight: 600; color: #0f172a; }
.privacy-meta { font-size: 12px; color: #9ca3af; margin-bottom: 20px; }

/* ===== 隐私声明：返回键 ===== */
.privacy-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: #4b5563; text-decoration: none;
  padding: 6px 14px 6px 10px; margin-bottom: 14px;
  border: 1px solid #e5e7eb; border-radius: 999px; background: #fff;
  transition: color .18s, border-color .18s, background .18s;
}
.privacy-back:hover { color: var(--primary); border-color: var(--primary); background: #f5f8ff; }
.pb-arrow { font-size: 15px; line-height: 1; }
.privacy-back-bottom { margin: 32px 0 0; text-align: center; }
.privacy-back-bottom .privacy-back { margin-bottom: 0; }

/* ===== 站内搜索结果页 ===== */
.search-stat { font-size: 13px; color: #6b7280; margin: 4px 0 20px; }
.search-stat strong { color: #0f172a; font-weight: 600; }
.sr-group { margin-bottom: 30px; }
.sr-group-title {
  font-size: 15px; font-weight: 600; color: #0f172a;
  margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid #eef1f5;
  display: flex; align-items: center; gap: 8px;
}
.sr-count {
  font-size: 12px; font-weight: 500; color: #6b7280;
  background: #f3f4f6; border-radius: 999px; padding: 1px 9px;
}
.sr-list { display: flex; flex-direction: column; gap: 10px; }
.sr-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px; background: #fff;
  border: 1px solid #eef1f5; border-radius: 10px;
  text-decoration: none; color: inherit;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.sr-item:hover {
  border-color: var(--primary); box-shadow: 0 4px 14px rgba(0,0,0,.06);
  transform: translateY(-1px);
}
.sr-thumb {
  width: 64px; height: 64px; object-fit: contain;
  flex-shrink: 0; background: #f8fafc; border-radius: 6px; padding: 4px;
}
.sr-body { flex: 1; min-width: 0; }
.sr-title {
  font-size: 14px; font-weight: 600; color: #0f172a;
  margin-bottom: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sr-sub { font-size: 12px; color: #6b7280; margin-bottom: 4px; }
.sr-desc {
  font-size: 12px; color: #4b5563; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sr-item mark { background: #fff3b8; color: inherit; padding: 0 1px; border-radius: 2px; }
.sr-tag {
  flex-shrink: 0; font-size: 11px; color: var(--primary);
  background: #f5f8ff; border: 1px solid #dbe4ff; border-radius: 999px; padding: 2px 10px;
}
.sr-tag--news { color: #b45309; background: #fffbeb; border-color: #fde68a; }
.sr-empty {
  padding: 36px 20px; text-align: center; color: #6b7280;
  background: #fafbfc; border: 1px dashed #e5e7eb; border-radius: 10px; font-size: 13px;
}
.sr-empty p { margin: 0 0 8px; }
.sr-empty .sr-tips { font-size: 12px; color: #9ca3af; }
.sr-empty a { color: var(--primary); text-decoration: none; }
.sr-empty a:hover { text-decoration: underline; }
@media (max-width: 640px) {
  .sr-thumb { width: 52px; height: 52px; }
  .sr-tag { display: none; }
}

/* ===== 隐私声明 modal ===== */
.privacy-modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(15, 23, 42, .55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: pm-fade .18s ease;
}
.privacy-modal-overlay[hidden] { display: none !important; }
@keyframes pm-fade { from { opacity: 0; } to { opacity: 1; } }
.privacy-modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 760px;
  max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .22);
  animation: pm-slide .22s ease;
}
@keyframes pm-slide { from { transform: translateY(12px); opacity: .85; } to { transform: none; opacity: 1; } }
.privacy-modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid #eef1f5; flex-shrink: 0;
}
.privacy-modal-head strong { font-size: 15px; color: #0f172a; font-weight: 600; }
.privacy-modal-close {
  width: 32px; height: 32px; border: none; background: transparent;
  font-size: 22px; line-height: 1; color: #6b7280; cursor: pointer;
  border-radius: 6px; transition: background .15s, color .15s;
}
.privacy-modal-close:hover, .privacy-modal-close:focus { background: #f3f4f6; color: #0f172a; outline: none; }
.privacy-modal-body { padding: 18px 28px 24px; overflow-y: auto; }
.privacy-modal-body .privacy-doc { margin-top: 0; }
.privacy-modal-body .privacy-doc .privacy-meta { margin-bottom: 14px; }
.pm-loading, .pm-error {
  padding: 60px 0; text-align: center; color: #6b7280; font-size: 13px;
}
.pm-error { color: #b91c1c; }
@media (max-width: 640px) {
  .privacy-modal-overlay { padding: 0; }
  .privacy-modal { max-height: 100vh; height: 100vh; border-radius: 0; }
  .privacy-modal-body { padding: 16px 18px 20px; }
}

/* ===== 资质荣誉列表 ===== */
.honor-list { list-style: none; margin: 0; padding: 0; }
.honor-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px dashed #eef1f5;
}
.honor-item:last-child { border-bottom: none; }
.honor-date {
  flex-shrink: 0; min-width: 92px;
  font-size: 13px; font-weight: 600; color: var(--primary);
  padding-top: 1px;
}
.honor-text { font-size: 14px; line-height: 1.75; color: #374151; }
.honor-text strong { font-weight: 600; color: #0f172a; }
.honor-note {
  margin: 16px 0 0; font-size: 12px; color: #9ca3af;
  padding: 8px 12px; background: #fafbfc; border-radius: 6px;
}
/* 资质荣誉列表滚动入场阶梯延迟：复用 .reveal 基础动画（淡入 + 上滑 28px），
   3 条记录从第一条起依次滑入，每条延 0.12s，与 timeline 同调性。 */
.honor-item.reveal.in-view { transition-delay: 0s; }
.honor-item.reveal.in-view:nth-child(2) { transition-delay: .12s; }
.honor-item.reveal.in-view:nth-child(3) { transition-delay: .24s; }
@media (max-width: 640px) {
  .honor-item { flex-direction: column; gap: 4px; }
  .honor-date { min-width: 0; }
}

/* ===== 资质荣誉：认证证书 / 公司资质认证 区分展示（紧凑、默认模糊、悬停清晰） ===== */
.cert-block + .cert-block { margin-top: 22px; }
.cert-sub {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: #0f172a; margin: 0 0 12px;
}
.cert-sub::before { content: ""; width: 4px; height: 15px; border-radius: 2px; background: var(--primary); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.cert-card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px; display: flex; flex-direction: column; gap: 8px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.cert-card:hover { box-shadow: 0 6px 18px rgba(15,23,42,.10); transform: translateY(-2px); }
.cert-card img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: contain;
  background: #f8fafc; border: 1px solid #eef1f5; border-radius: 6px;
  filter: blur(0.8px);
}
.cert-name { font-size: 12px; line-height: 1.45; color: #374151; text-align: center; }
.cert-note { margin: 0; font-size: 12px; color: #9ca3af; }
@media (max-width: 640px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }

/* 认证证书卡片滚动揭示：从左侧进入，阶梯延迟 */
.cert-card.reveal { opacity: 0; transform: translateX(-28px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.cert-card.reveal.in-view { opacity: 1; transform: none; }
.cert-card.reveal.in-view:hover { transform: translateY(-2px); }

/* 公司资质认证 —— 横向无限滚动（无缝循环，悬停暂停，30s） */
.cert-marquee { overflow: hidden; position: relative; margin-top: 2px; }
.cert-marquee__track {
  display: flex; width: max-content;
  animation: cert-scroll 58s linear infinite; /* 28 项(14×2) 时与原 7 项 30s 同速 */
  will-change: transform;
}
.cert-marquee:hover .cert-marquee__track { animation-play-state: paused; }
.cert-marquee__item {
  flex: 0 0 auto; height: 170px; margin-right: 12px;
  border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border); background: #f8fafc;
  display: flex; align-items: center; justify-content: center;
}
.cert-marquee__item img { height: 100%; width: auto; display: block; object-fit: contain; }
@keyframes cert-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@media (max-width: 768px) { .cert-marquee__item { height: 120px; } }
.cert-card.reveal.in-view:nth-child(1) { transition-delay: 0s; }
.cert-card.reveal.in-view:nth-child(2) { transition-delay: .12s; }
.cert-card.reveal.in-view:nth-child(3) { transition-delay: .24s; }
.cert-card.reveal.in-view:nth-child(4) { transition-delay: .36s; }


/* ===== 首页 Hero 方案 C：主体居中 + 子公司对称分布两侧 ===== */
.hero--home .hero-text {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 0;
  text-align: center;
}
.hero--home .hero-text > * {
  opacity: 1;
  animation: none;
}

.hero--home .hero-text h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .25em;
  margin-bottom: 14px;
  padding-left: 0;
}
.hero--home .hero-text h1::before { display: none; }

.hp-title .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
}
.hero--home .hero-text.in-view .hp-title .ch {
  animation: chRise .7s cubic-bezier(.22,1,.36,1) forwards;
}
.hero--home .hero-text.in-view .hp-title .ch:nth-child(1) { animation-delay: 0.05s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(2) { animation-delay: 0.09s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(3) { animation-delay: 0.13s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(4) { animation-delay: 0.17s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(5) { animation-delay: 0.21s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(6) { animation-delay: 0.25s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(7) { animation-delay: 0.29s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(8) { animation-delay: 0.33s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(9) { animation-delay: 0.37s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(10) { animation-delay: 0.41s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(11) { animation-delay: 0.45s; }
.hero--home .hero-text.in-view .hp-title .ch:nth-child(12) { animation-delay: 0.49s; }
@keyframes chRise { to { opacity: 1; transform: translateY(0); } }

.hero-eyebrow-en {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .22em;
  color: rgba(255,255,255,.7);
  opacity: 0;
  transform: translateY(16px);
}
.hero--home .hero-text.in-view .hero-eyebrow-en {
  animation: fadeUp .7s cubic-bezier(.22,1,.36,1) .5s forwards;
}

.hero-lead { margin: 20px 0 8px; }
.hero-lead .lead-main {
  display: block;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 600;
  color: #fff;
  opacity: 0;
  transform: translateY(20px);
}
.hero--home .hero-text.in-view .hero-lead .lead-main {
  animation: fadeUp .7s cubic-bezier(.22,1,.36,1) .62s forwards;
}
.hero-lead .lead-sub {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.82);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  transform: translateY(16px);
}
.hero--home .hero-text.in-view .hero-lead .lead-sub {
  animation: fadeUp .7s cubic-bezier(.22,1,.36,1) .78s forwards;
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.hero-subs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin-top: 30px;
}
.hero-subs .mid {
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(255,255,255,.5);
  opacity: 0;
  transform: translateY(10px);
}
.hero--home .hero-text.in-view .hero-subs .mid {
  animation: fadeUp .7s cubic-bezier(.22,1,.36,1) 1.0s forwards;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 10px;
  padding: 10px 16px;
  backdrop-filter: blur(8px);
  opacity: 0;
}
.hero-badge .b-line {
  width: 3px;
  height: 34px;
  border-radius: 2px;
  flex-shrink: 0;
}
.hero-badge.dell   .b-line { background: #007db8; }
.hero-badge.huawei .b-line { background: #cf0a2c; }
.hero-badge .b-name { font-size: 14px; font-weight: 600; color: #fff; }
.hero-badge .b-tag  { font-size: 12px; color: rgba(255,255,255,.78); letter-spacing: .03em; }
.hero-subs .hero-badge.dell   { transform: translateX(-60px); }
.hero-subs .hero-badge.huawei { transform: translateX(60px); }
.hero--home .hero-text.in-view .hero-subs .hero-badge.dell   { animation: badgeIn .8s cubic-bezier(.22,1,.36,1) .9s  forwards; }
.hero--home .hero-text.in-view .hero-subs .hero-badge.huawei { animation: badgeIn .8s cubic-bezier(.22,1,.36,1) 1.05s forwards; }
@keyframes badgeIn { to { opacity: 1; transform: translateX(0); } }

.hero--home .hero-text > .btn {
  opacity: 0;
  transform: translateY(16px);
}
.hero--home .hero-text.in-view > .btn {
  animation: fadeUp .7s cubic-bezier(.22,1,.36,1) 1.3s forwards;
}

@media (prefers-reduced-motion: reduce) {
  .hero--home .hp-title .ch,
  .hero--home .hero-eyebrow-en,
  .hero--home .hero-lead .lead-main,
  .hero--home .hero-lead .lead-sub,
  .hero--home .hero-subs .mid,
  .hero--home .hero-badge,
  .hero--home .hero-text > .btn {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}
@media (max-width: 640px) {
  .hero--home .hero-text { padding: 40px 18px; }
  .hero--home .hero-text h1 { font-size: 32px; letter-spacing: .2em; }
  .hero-subs { gap: 14px; }
}